bvec_dcompute.c File Reference

#include "common.h"
#include <math.h>
#include "lapacke.h"
#include "bcsc/bcsc.h"
#include "bcsc_d.h"
#include "order/order_internal.h"
#include "frobeniusupdate.h"
#include "cblas.h"
#include "blend/solver.h"

Go to the source code of this file.

Functions
static void	pthread_bvec_dnrm2 (isched_thread_t *ctx, void *args)
	Compute the norm 2 of a vector. (Parallel version)
static void	pthread_bvec_dscal (isched_thread_t *ctx, void *args)
	Scale a vector (Parallel version)
static void	pthread_bvec_daxpy (isched_thread_t *ctx, void *args)
	Compute y <- alpha * x + y (Parallel version).
static void	pthread_bvec_ddot (isched_thread_t *ctx, void *args)
	Compute the scalar product x.y. (Parallel version)
static void	pthread_bvec_dcopy (isched_thread_t *ctx, void *args)
	Copy a vector y = x (parallel version)
static void	pthread_bvec_dgemv (isched_thread_t *ctx, void *args)
	Compute.
PastixDouble vector(s) operations
double	bvec_dnrm2_seq (pastix_data_t *pastix_data, pastix_int_t n, const double *x)
	Compute the norm 2 of a vector. (Sequential version)
double	bvec_dnrm2_smp (pastix_data_t *pastix_data, pastix_int_t n, const double *x)
	Compute the norm 2 of a vector. (Parallel version)
void	bvec_dscal_seq (pastix_data_t *pastix_data, pastix_int_t n, double alpha, double *x)
	Scale a vector by the scalar alpha. (Sequential version)
void	bvec_dscal_smp (pastix_data_t *pastix_data, pastix_int_t n, double alpha, double *x)
	Scale a vector (Parallel version)
void	bvec_daxpy_seq (pastix_data_t *pastix_data, pastix_int_t n, double alpha, const double *x, double *y)
	Compute y <- alpha * x + y. (Sequential version)
void	bvec_daxpy_smp (pastix_data_t *pastix_data, pastix_int_t n, double alpha, const double *x, double *y)
	Perform y = alpha * x + y (Parallel version)
double	bvec_ddot_seq (pastix_data_t *pastix_data, pastix_int_t n, const double *x, const double *y)
	Compute the scalar product x.y. (Sequential version)
double	bvec_ddot_smp (pastix_data_t *pastix_data, pastix_int_t n, const double *x, const double *y)
	Compute a regular scalar product x.y (Parallel version)
void	bvec_dcopy_seq (pastix_data_t *pastix_data, pastix_int_t n, const double *x, double *y)
	Copy a vector y = x (Sequential version)
void	bvec_dcopy_smp (pastix_data_t *pastix_data, pastix_int_t n, const double *x, double *y)
	Copy a vector y = x (parallel version)
void	bvec_dgemv_seq (pastix_data_t *pastix_data, pastix_int_t m, pastix_int_t n, double alpha, const double *A, pastix_int_t lda, const double *x, double beta, double *y)
	Compute.
void	bvec_dgemv_smp (pastix_data_t *pastix_data, pastix_int_t m, pastix_int_t n, double alpha, const double *A, pastix_int_t lda, const double *x, double beta, double *y)
	Compute.
PastixDouble matrix operations
void	bcsc_dspsv (pastix_data_t *pastix_data, double *b, float *work)
	Solve A x = b with A the sparse matrix.
PastixDouble MPI vector operations
void	bvec_dnullify_remote (const pastix_data_t *pastix_data, double *y)
	Set to 0 remote coefficients.
const double *	bvec_dgather_remote (const pastix_data_t *pastix_data, const double *y)
	Gather a distributed right hand side (bvec storage) on all nodes.
void	bvec_dallreduce (const pastix_data_t *pastix_data, double *y)
	Apply an all reduce of the vector on all nodes.

Detailed Description

Functions computing operations on the BCSC.

Copyright

2004-2025 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved.

Version

6.4.0

Author

Mathieu Faverge

Pierre Ramet

Xavier Lacoste

Gregoire Pichon

Theophile Terraz

Tony Delarue

Vincent Bridonneau

Date

2024-07-05

Generated arithmetic file

from /builds/7cspzRFxD/0/solverstack/pastix/bcsc/bvec_zcompute.c, normal z -> d, Wed May 20 09:19:06 2026

Definition in file bvec_dcompute.c.